Caption: "Mrs. Mary A. (""Mother"") Bickerdyke (Organizer of Military Hospitals and Friend of the Soldiers) By Courtesy of the Chicago Historical Society". Mary Bickerdyke was a volunteer nurse and hospital...

Caption: "Cover of "The Battle-Cry of Freedom" (Written by George F. Root at the Time of Lincoln's Second Call for Troops; First Sung by Frank and Jules Lumbard in Court House Square, Chicago) By Courtesy...